<template>
	<div class="wrapper">
		<div class="back-icon" @click="goBack()">
			<i class="fa fa-arrow-left"></i>
		</div>
		<!-- header部分 -->
		<header>
			<p>用户登录</p>
		</header>
		<!-- 表单部分 -->
		<ul class="form-box">
			<li>
				<div class="title">
					手机号码：
				</div>
				<div class="content">
					<input type="text" v-model="userId" placeholder="手机号码">
				</div>
			</li>
			<li>
				<div class="title">
					密码：
				</div>
				<div class="content">
					<input type="password" v-model="password" placeholder="密码">
				</div>
			</li>
		</ul>
		<div class="button-login">
			<button @click="login">登录</button>
		</div>
		<div class="button-register">
			<button @click="register">去注册</button>
		</div>
		<!-- 底部菜单部分 -->
		<Footer></Footer>
	</div>
</template>

<script>
	import Footer from '../components/Footer.vue'
	import {ref, getCurrentInstance} from 'vue'
	import {useRouter} from 'vue-router'
	
	export default{
		name: 'Login',
		setup() {
			const router = useRouter();
			const userId = ref('')
			const password = ref('')
			const currentInstance = getCurrentInstance();
			const goBack = () => {
				router.go(-1);
			};
			const login = () => {
				if (userId == '') {
					swal('手机号码不能为空！');
					return;
				}
				if (password == '') {
					swal('密码不能为空！');
					return;
				}
				console.log(userId);
				console.log(password);
				//登录请求
				currentInstance.appContext.config.globalProperties.$axios.post('UserController/getUserByIdByPass', currentInstance.appContext.config.globalProperties.$qs.stringify({
					userId: userId.value,
					password: password.value
				})).then(response => {
					let user = response.data;
					console.log(user);
					if (user == null || user == '') {
						swal('用户名或密码不正确！');
					} else {
						//sessionstorage有容量限制，为了防止数据溢出，所以不将userImg数据放入session中
						user.userImg = '';
						currentInstance.appContext.config.globalProperties.$setSessionStorage('user', user);
						//router.go(-1);
						//添加通过userRole跳转页面
						redirectBasedOnUserRole(user.userRole);
					}
				}).catch(error => {
					console.error(error);
				});
			}
			
			const redirectBasedOnUserRole = (role) => {
			      if (role === 1) {
					  router.push({path:'/personalCenter'});// 跳转到消费者页面（回退）
			      } else if (role === 0) {
			        router.push({path:'/merchantcenter'}); // 跳转到商家个人中心页面
			      }
			};
			const register = () => {
			    router.push({ path: '/preregister' });
			};
			
			return{
				userId,
				password,
				login,
				register,
				goBack
			}
		},
		components: {
			Footer
		},
	}
</script>

<style scoped>
	/****************** 总容器 ******************/
	.wrapper {
		width: 100%;
		height: 100%;
	}
	/*********** 回退按钮 ***********/
	.wrapper .back-icon{
		width: 12vw;
		height: 12vw;
		background-color: #0097FF;
		color: #FFFFFF;
		font-size: 4.8vw;
		position: fixed;
		left: 0;
		top: 0;
		z-index: 1001;
		display: flex;
		justify-content: center;
		align-items: center;
	}
	/****************** header部分 ******************/
	.wrapper header {
		width: 100%;
		height: 12vw;
		background-color: #0097FF;
		color: #fff;
		font-size: 4.8vw;
		position: fixed;
		left: 0;
		top: 0;
		z-index: 1000;
		display: flex;
		justify-content: center;
		align-items: center;
	}

	/****************** 表单部分 ******************/
	.wrapper .form-box {
		width: 100%;
		margin-top: 12vw;
	}

	.wrapper .form-box li {
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
		display: flex;
		align-items: center;
	}

	.wrapper .form-box li .title {
		flex: 0 0 18vw;
		font-size: 3vw;
		font-weight: 700;
		color: #666;
	}

	.wrapper .form-box li .content {
		flex: 1;
	}

	.wrapper .form-box li .content input {
		border: none;
		outline: none;
		width: 100%;
		height: 4vw;
		font-size: 3vw;
	}

	.wrapper .button-login {
		width: 100%;
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
	}

	.wrapper .button-login button {
		width: 100%;
		height: 10vw;
		font-size: 3.8vw;
		font-weight: 700;
		color: #fff;
		background-color: #38CA73;
		border-radius: 4px;
		border: none;
		outline: none;
	}

	.wrapper .button-register {
		width: 100%;
		box-sizing: border-box;
		padding: 4vw 3vw 0 3vw;
	}

	.wrapper .button-register button {
		width: 100%;
		height: 10vw;
		font-size: 3.8vw;
		font-weight: 700;
		/*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
		color: #666;
		background-color: #EEE;
		border: solid 1px #DDD;
		border-radius: 4px;
		border: none;
		outline: none;
	}

	/****************** 底部菜单部分 ******************/
	.wrapper .footer {
		width: 100%;
		height: 14vw;
		border-top: solid 1px #DDD;
		background-color: #fff;
		position: fixed;
		left: 0;
		bottom: 0;
		display: flex;
		justify-content: space-around;
		align-items: center;
	}

	.wrapper .footer li {
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		color: #999;
		user-select: none;
		cursor: pointer;
	}

	.wrapper .footer li p {
		font-size: 2.8vw;
	}

	.wrapper .footer li i {
		font-size: 5vw;
	}
</style>